'Curvature perturbation' presentation slideshows

Gaussianity, Flatness, Tilt, Running, and Gravity Waves: WMAP and Some Future Prospects

Gaussianity, Flatness, Tilt, Running, and Gravity Waves: WMAP and Some Future Prospects. Eiichiro Komatsu University of Texas at Austin July 11, 2007. Cosmology and Strings: 6 Numbers. Successful early-universe models must produce: The universe that is nearly flat, | ? K |<O(0.02)

557 views • 46 slides

Yukawa Institute for Theoretical Physics Kyoto University

Relativity & Gravitation 100 yrs after Einstein in Prague 26 June 2012. Inflation and Birth of. Cosmological Perturbations. Misao Sasaki. Yukawa Institute for Theoretical Physics Kyoto University. 0. Horizon & flatness problem. horizon problem. gravity=attractive. conformal time is

481 views • 32 slides

Non-Gaussianity of superhorizon curvature perturbations beyond ?N-formalism

Non-Gaussianity of superhorizon curvature perturbations beyond ?N-formalism. Resceu, University of Tokyo Yuichi Takamizu Collaborator: Shinji Mukohyama (IPMU,U of Tokyo), Misao Sasaki & Yoshiharu Tanaka (YITP,Kyoto U) Ref In progress & JCAP01 013 (2009 ?. ? Introduction.

362 views • 22 slides

Nonlinear curvature perturbations in two-field hybrid inflation

cifar08/Lindefest 5-9 March, 2008. Nonlinear curvature perturbations in two-field hybrid inflation. -- d N in exactly soluble models --. Yukawa Institute (YITP) Kyoto University. Misao Sasaki. Happy Kanreki, Andrei!. kanreki = one cycle of chinese zodiacal calendar. ???. 60 yrs =

371 views • 22 slides

Non-gaussianity, isocurvature, dark matter, and the curvaton model

276 views • 19 slides

Konstantinos Dimopoulos

The quantum origin of. cosmic structure:. Theory and observations. Konstantinos Dimopoulos. Lancaster University. Hot Big Bang and Cosmic Inflation. Standard Model of Cosmology: Hot Big Bang + Cosmic Inflation. HBB: expansion, CMB, BBN, age. Cosmic inflation : horizon & flatness.

206 views • 19 slides

Anisotropic non-Gaussianity

290 views • 18 slides

Conservation of the non-linear curvature perturbation in generic single-field inflation

Conservation of the non-linear curvature perturbation in generic single-field inflation. Yukawa Institute for Theoretical Physics Atsushi Naruko. In Collaboration with Misao Sasaki Based on : Class. Quantum Grav. 28 072001. The contents of talk.

287 views • 18 slides

Beyond ?N-formalism for a single scalar field

Beyond ?N-formalism for a single scalar field. Resceu, University of Tokyo Yuichi Takamizu 27th Sep@COSMO/CosPA2010 Collaborator: Shinji Mukohyama (IPMU,U of Tokyo), Misao Sasaki & Yoshiharu Tanaka (YITP,Kyoto U) Ref ? JCAP06 019 (2010) & JCAP01 013 (2009). ? Introduction.

274 views • 16 slides

Yoshiharu Tanaka (YITP)

Finnish-Japanese Workshop on Particle Cosmology @ Helsinki, 9 March, 2007. Gradient expansion approach to nonlinear superhorizon perturbations. Yoshiharu Tanaka (YITP). Y. Tanaka & M. Sasaki, gr-qc/0612191(to be published in PTP) Y. Tanaka & M. Sasaki, in preparation. 1.Introduction.

291 views • 15 slides

Curvature and isocurvature perturbations in two-field inflation

Curvature and isocurvature perturbations in two-field inflation. Krzysztof Turzy?ski (University of Michigan). based on arXiv:0704.0212 with Z.Lalak , D.Langlois and S.Pokorski. Inflation. V. solves the flatness problem. solves the horizon problem. dilutes any preexisting relics.

243 views • 15 slides